23991070 has 16 divisors (see below), whose sum is σ = 45061920. Its totient is φ = 9179104.

The previous prime is 23991049. The next prime is 23991073. The reversal of 23991070 is 7019932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23991073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51925 + ... + 52384.

It is an arithmetic number, because the mean of its divisors is an integer number (2816370).

Almost surely, 2^23991070 is an apocalyptic number.

23991070 is a deficient number, since it is larger than the sum of its proper divisors (21070850).

23991070 is a wasteful number, since it uses less digits than its factorization.

23991070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104339.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 23991070 is about 4898.0679864616. The cubic root of 23991070 is about 288.4141338215.

The spelling of 23991070 in words is "twenty-three million, nine hundred ninety-one thousand, seventy".