23420155100 has 36 divisors (see below), whose sum is σ = 50831840304. Its totient is φ = 9366199680.

The previous prime is 23420155097. The next prime is 23420155103. The reversal of 23420155100 is 155102432.

It is an interprime number because it is at equal distance from previous prime (23420155097) and next prime (23420155103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420155103) 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, 553289 + ... + 594111.

It is an arithmetic number, because the mean of its divisors is an integer number (1411995564).

Almost surely, 2^23420155100 is an apocalyptic number.

23420155100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23420155100 is an abundant number, since it is smaller than the sum of its proper divisors (27411685204).

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

23420155100 is a wasteful number, since it uses less digits than its factorization.

23420155100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46574 (or 46567 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 23420155100 its reverse (155102432), we get a palindrome (23575257532).

The spelling of 23420155100 in words is "twenty-three billion, four hundred twenty million, one hundred fifty-five thousand, one hundred".