23010031643 has 12 divisors (see below), whose sum is σ = 25085113560. Its totient is φ = 21047273856.

The previous prime is 23010031621. The next prime is 23010031691. The reversal of 23010031643 is 34613001032.

It is not a de Polignac number, because 23010031643 - 2⁶ = 23010031579 is a prime.

It is a super-2 number, since 2×23010031643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23010031543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704030 + ... + 735987.

It is an arithmetic number, because the mean of its divisors is an integer number (2090426130).

Almost surely, 2^23010031643 is an apocalyptic number.

23010031643 is a deficient number, since it is larger than the sum of its proper divisors (2075081917).

23010031643 is a wasteful number, since it uses less digits than its factorization.

23010031643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440094 (or 1440065 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23010031643 its reverse (34613001032), we get a palindrome (57623032675).

The spelling of 23010031643 in words is "twenty-three billion, ten million, thirty-one thousand, six hundred forty-three".