23402100 has 36 divisors (see below), whose sum is σ = 67710944. Its totient is φ = 6240480.

The previous prime is 23402087. The next prime is 23402107. The reversal of 23402100 is 120432.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38704 + ... + 39303.

Almost surely, 2^23402100 is an apocalyptic number.

23402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23402100 is an abundant number, since it is smaller than the sum of its proper divisors (44308844).

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

23402100 is a wasteful number, since it uses less digits than its factorization.

23402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78024 (or 78017 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 23402100 is about 4837.5717048949. The cubic root of 23402100 is about 286.0344066712.

Adding to 23402100 its reverse (120432), we get a palindrome (23522532).

The spelling of 23402100 in words is "twenty-three million, four hundred two thousand, one hundred".