23161026 has 24 divisors (see below), whose sum is σ = 53885520. Its totient is φ = 6617352.

The previous prime is 23161009. The next prime is 23161031. The reversal of 23161026 is 62016132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23160993 and 23161011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39096 + ... + 39683.

It is an arithmetic number, because the mean of its divisors is an integer number (2245230).

Almost surely, 2^23161026 is an apocalyptic number.

23161026 is an abundant number, since it is smaller than the sum of its proper divisors (30724494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23161026 is a wasteful number, since it uses less digits than its factorization.

23161026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78798 (or 78791 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 23161026 is about 4812.5903627880. The cubic root of 23161026 is about 285.0488312758.

Adding to 23161026 its reverse (62016132), we get a palindrome (85177158).

The spelling of 23161026 in words is "twenty-three million, one hundred sixty-one thousand, twenty-six".