23013133 has 16 divisors (see below), whose sum is σ = 28215936. Its totient is φ = 18469440.

The previous prime is 23013131. The next prime is 23013157. The reversal of 23013133 is 33131032.

It is not a de Polignac number, because 23013133 - 2¹ = 23013131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210 + ... + 6787.

It is an arithmetic number, because the mean of its divisors is an integer number (1763496).

Almost surely, 2^23013133 is an apocalyptic number.

23013133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23013133 is a deficient number, since it is larger than the sum of its proper divisors (5202803).

23013133 is a wasteful number, since it uses less digits than its factorization.

23013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 23013133 is about 4797.2005378137. The cubic root of 23013133 is about 284.4408159542.

Adding to 23013133 its reverse (33131032), we get a palindrome (56144165).

The spelling of 23013133 in words is "twenty-three million, thirteen thousand, one hundred thirty-three".