23157416 has 8 divisors (see below), whose sum is σ = 43420170. Its totient is φ = 11578704.

The previous prime is 23157401. The next prime is 23157419. The reversal of 23157416 is 61475132.

It can be written as a sum of positive squares in only one way, i.e., 23136100 + 21316 = 4810^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a pancake number, because a pancake can be divided into 23157416 parts by 6805 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (23157419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447331 + ... + 1447346.

Almost surely, 2^23157416 is an apocalyptic number.

It is an amenable number.

23157416 is a deficient number, since it is larger than the sum of its proper divisors (20262754).

23157416 is a wasteful number, since it uses less digits than its factorization.

23157416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894683 (or 2894679 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 23157416 is about 4812.2152902795. The cubic root of 23157416 is about 285.0340207669.

The spelling of 23157416 in words is "twenty-three million, one hundred fifty-seven thousand, four hundred sixteen".