23247642 has 16 divisors (see below), whose sum is σ = 50722272. Its totient is φ = 7044720.

The previous prime is 23247607. The next prime is 23247643. The reversal of 23247642 is 24674232.

It is not an unprimeable number, because it can be changed into a prime (23247643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176053 + ... + 176184.

It is an arithmetic number, because the mean of its divisors is an integer number (3170142).

Almost surely, 2^23247642 is an apocalyptic number.

23247642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23247642 is an abundant number, since it is smaller than the sum of its proper divisors (27474630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23247642 is a wasteful number, since it uses less digits than its factorization.

23247642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352253.

The product of its digits is 16128, while the sum is 30.

The square root of 23247642 is about 4821.5808610870. The cubic root of 23247642 is about 285.4037245296.

It can be divided in two parts, 232 and 47642, that added together give a palindrome (47874).

The spelling of 23247642 in words is "twenty-three million, two hundred forty-seven thousand, six hundred forty-two".