23151056 has 10 divisors (see below), whose sum is σ = 44855202. Its totient is φ = 11575520.

The previous prime is 23151047. The next prime is 23151061. The reversal of 23151056 is 65015132.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 8065600 = 3884^2 + 2840^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723455 + ... + 723486.

Almost surely, 2^23151056 is an apocalyptic number.

It is an amenable number.

23151056 is a deficient number, since it is larger than the sum of its proper divisors (21704146).

23151056 is a wasteful number, since it uses less digits than its factorization.

23151056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446949 (or 1446943 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 23151056 is about 4811.5544265861. The cubic root of 23151056 is about 285.0079242693.

Adding to 23151056 its reverse (65015132), we get a palindrome (88166188).

The spelling of 23151056 in words is "twenty-three million, one hundred fifty-one thousand, fifty-six".