23303213031 has 8 divisors (see below), whose sum is σ = 35509657984. Its totient is φ = 13316121720.

The previous prime is 23303212997. The next prime is 23303213033. The reversal of 23303213031 is 13031230332.

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

It is not a de Polignac number, because 23303213031 - 2¹⁰ = 23303212007 is a prime.

It is a super-2 number, since 2×23303213031² (a number of 22 digits) 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: 1109676811 = 23303213031 / (2 + 3 + 3 + 0 + 3 + 2 + 1 + 3 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23303212989 and 23303213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303213033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554838385 + ... + 554838426.

It is an arithmetic number, because the mean of its divisors is an integer number (4438707248).

Almost surely, 2^23303213031 is an apocalyptic number.

23303213031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23303213031 is a deficient number, since it is larger than the sum of its proper divisors (12206444953).

23303213031 is a wasteful number, since it uses less digits than its factorization.

23303213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109676821.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23303213031 its reverse (13031230332), we get a palindrome (36334443363).

The spelling of 23303213031 in words is "twenty-three billion, three hundred three million, two hundred thirteen thousand, thirty-one".