23313021213400 has 48 divisors (see below), whose sum is σ = 54203161802400. Its totient is φ = 9325141822080.

The previous prime is 23313021213397. The next prime is 23313021213421. The reversal of 23313021213400 is 431212031332.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35240074 + ... + 35895526.

It is an arithmetic number, because the mean of its divisors is an integer number (1129232537550).

Almost surely, 2^{23313021213400} is an apocalyptic number.

23313021213400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23313021213400 is an abundant number, since it is smaller than the sum of its proper divisors (30890140589000).

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

23313021213400 is a wasteful number, since it uses less digits than its factorization.

23313021213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833308 (or 833299 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 23313021213400 its reverse (431212031332), we get a palindrome (23744233244732).

The spelling of 23313021213400 in words is "twenty-three trillion, three hundred thirteen billion, twenty-one million, two hundred thirteen thousand, four hundred".