23142574 has 16 divisors (see below), whose sum is σ = 42725088. Its totient is φ = 9155232.

The previous prime is 23142571. The next prime is 23142601. The reversal of 23142574 is 47524132.

23142574 is a modest number, since divided by 2574 gives 2314 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63397 + ... + 63760.

It is an arithmetic number, because the mean of its divisors is an integer number (2670318).

Almost surely, 2^23142574 is an apocalyptic number.

23142574 is a deficient number, since it is larger than the sum of its proper divisors (19582514).

23142574 is a wasteful number, since it uses less digits than its factorization.

23142574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127179.

The product of its digits is 6720, while the sum is 28.

The square root of 23142574 is about 4810.6729259013. The cubic root of 23142574 is about 284.9731132941.

It can be divided in two parts, 23142 and 574, that added together give a square (23716 = 154²).

The spelling of 23142574 in words is "twenty-three million, one hundred forty-two thousand, five hundred seventy-four".