23074157 has 4 divisors (see below), whose sum is σ = 23302716. Its totient is φ = 22845600.

The previous prime is 23074147. The next prime is 23074171. The reversal of 23074157 is 75147032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14945956 + 8128201 = 3866^2 + 2851^2 .

It is a cyclic number.

It is not a de Polignac number, because 23074157 - 2⁴ = 23074141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23074147) 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 3 ways as a sum of consecutive naturals, for example, 114128 + ... + 114329.

It is an arithmetic number, because the mean of its divisors is an integer number (5825679).

Almost surely, 2^23074157 is an apocalyptic number.

It is an amenable number.

23074157 is a deficient number, since it is larger than the sum of its proper divisors (228559).

23074157 is a wasteful number, since it uses less digits than its factorization.

23074157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228558.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 23074157 is about 4803.5567031107. The cubic root of 23074157 is about 284.6920115999.

The spelling of 23074157 in words is "twenty-three million, seventy-four thousand, one hundred fifty-seven".