23100121021340 has 24 divisors (see below), whose sum is σ = 52920277249392. Its totient is φ = 8400044007680.

The previous prime is 23100121021339. The next prime is 23100121021349. The reversal of 23100121021340 is 4312012100132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100121021349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52500274829 + ... + 52500275268.

It is an arithmetic number, because the mean of its divisors is an integer number (2205011552058).

Almost surely, 2^{23100121021340} is an apocalyptic number.

23100121021340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100121021340 is an abundant number, since it is smaller than the sum of its proper divisors (29820156228052).

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

23100121021340 is a wasteful number, since it uses less digits than its factorization.

23100121021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105000550117 (or 105000550115 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23100121021340 its reverse (4312012100132), we get a palindrome (27412133121472).

The spelling of 23100121021340 in words is "twenty-three trillion, one hundred billion, one hundred twenty-one million, twenty-one thousand, three hundred forty".