23455542 has 32 divisors (see below), whose sum is σ = 51352704. Its totient is φ = 7083200.

The previous prime is 23455541. The next prime is 23455543. The reversal of 23455542 is 24555432.

It is an interprime number because it is at equal distance from previous prime (23455541) and next prime (23455543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23455541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30442 + ... + 31202.

It is an arithmetic number, because the mean of its divisors is an integer number (1604772).

Almost surely, 2^23455542 is an apocalyptic number.

23455542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23455542 is an abundant number, since it is smaller than the sum of its proper divisors (27897162).

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

23455542 is a wasteful number, since it uses less digits than its factorization.

23455542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its digits is 24000, while the sum is 30.

The square root of 23455542 is about 4843.0921940430. The cubic root of 23455542 is about 286.2519744593.

It can be divided in two parts, 2345 and 5542, that added together give a palindrome (7887).

The spelling of 23455542 in words is "twenty-three million, four hundred fifty-five thousand, five hundred forty-two".