23015930 has 32 divisors (see below), whose sum is σ = 47558016. Its totient is φ = 7856064.

The previous prime is 23015929. The next prime is 23015957. The reversal of 23015930 is 3951032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23015896 and 23015905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18797 + ... + 19983.

It is an arithmetic number, because the mean of its divisors is an integer number (1486188).

Almost surely, 2^23015930 is an apocalyptic number.

23015930 is an abundant number, since it is smaller than the sum of its proper divisors (24542086).

23015930 is a wasteful number, since it uses less digits than its factorization.

23015930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 23015930 is about 4797.4920531461. The cubic root of 23015930 is about 284.4523390663.

Adding to 23015930 its reverse (3951032), we get a palindrome (26966962).

The spelling of 23015930 in words is "twenty-three million, fifteen thousand, nine hundred thirty".