23842534 has 16 divisors (see below), whose sum is σ = 39090816. Its totient is φ = 10857600.

The previous prime is 23842501. The next prime is 23842537. The reversal of 23842534 is 43524832.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 23842496 and 23842505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23842537) 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, 10257 + ... + 12364.

It is an arithmetic number, because the mean of its divisors is an integer number (2443176).

Almost surely, 2^23842534 is an apocalyptic number.

23842534 is a deficient number, since it is larger than the sum of its proper divisors (15248282).

23842534 is a wasteful number, since it uses less digits than its factorization.

23842534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22671.

The product of its digits is 23040, while the sum is 31.

The square root of 23842534 is about 4882.8817311092. The cubic root of 23842534 is about 287.8176813538.

The spelling of 23842534 in words is "twenty-three million, eight hundred forty-two thousand, five hundred thirty-four".