23149137 has 8 divisors (see below), whose sum is σ = 33671520. Its totient is φ = 14029760.

The previous prime is 23149111. The next prime is 23149153. The reversal of 23149137 is 73194132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23149137 - 2¹⁰ = 23148113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23149187) 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 in 7 ways as a sum of consecutive naturals, for example, 350712 + ... + 350777.

It is an arithmetic number, because the mean of its divisors is an integer number (4208940).

Almost surely, 2^23149137 is an apocalyptic number.

It is an amenable number.

23149137 is a deficient number, since it is larger than the sum of its proper divisors (10522383).

23149137 is a wasteful number, since it uses less digits than its factorization.

23149137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701503.

The product of its digits is 4536, while the sum is 30.

The square root of 23149137 is about 4811.3550066483. The cubic root of 23149137 is about 285.0000492459. Note that the first 4 decimals are identical.

The spelling of 23149137 in words is "twenty-three million, one hundred forty-nine thousand, one hundred thirty-seven".