23203000031 has 2 divisors, whose sum is σ = 23203000032. Its totient is φ = 23203000030.

The previous prime is 23203000027. The next prime is 23203000039. The reversal of 23203000031 is 13000030232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23203000031 - 2² = 23203000027 is a prime.

It is a super-2 number, since 2×23203000031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203000039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601500015 + 11601500016.

It is an arithmetic number, because the mean of its divisors is an integer number (11601500016).

Almost surely, 2^23203000031 is an apocalyptic number.

23203000031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203000031 is an equidigital number, since it uses as much as digits as its factorization.

23203000031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 23203000031 its reverse (13000030232), we get a palindrome (36203030263).

The spelling of 23203000031 in words is "twenty-three billion, two hundred three million, thirty-one", and thus it is an aban number.