23434131 has 8 divisors (see below), whose sum is σ = 35709184. Its totient is φ = 13390920.

The previous prime is 23434129. The next prime is 23434139. The reversal of 23434131 is 13143432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23434131 - 2¹ = 23434129 is a prime.

It is a super-2 number, since 2×23434131² = 1098316991450322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1115911 = 23434131 / (2 + 3 + 4 + 3 + 4 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 23434098 and 23434107.

It is not an unprimeable number, because it can be changed into a prime (23434139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557935 + ... + 557976.

It is an arithmetic number, because the mean of its divisors is an integer number (4463648).

Almost surely, 2^23434131 is an apocalyptic number.

23434131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23434131 is a deficient number, since it is larger than the sum of its proper divisors (12275053).

23434131 is a wasteful number, since it uses less digits than its factorization.

23434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115921.

The product of its digits is 864, while the sum is 21.

The square root of 23434131 is about 4840.8812214307. The cubic root of 23434131 is about 286.1648478309.

Adding to 23434131 its reverse (13143432), we get a palindrome (36577563).

The spelling of 23434131 in words is "twenty-three million, four hundred thirty-four thousand, one hundred thirty-one".