23311000121332 has 48 divisors (see below), whose sum is σ = 53537225172480. Its totient is φ = 8604196898400.

The previous prime is 23311000121317. The next prime is 23311000121347. The reversal of 23311000121332 is 23312100011332.

It is an interprime number because it is at equal distance from previous prime (23311000121317) and next prime (23311000121347).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991706394 + ... + 1991718097.

It is an arithmetic number, because the mean of its divisors is an integer number (1115358857760).

Almost surely, 2^{23311000121332} is an apocalyptic number.

23311000121332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23311000121332 is an abundant number, since it is smaller than the sum of its proper divisors (30226225051148).

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

23311000121332 is a wasteful number, since it uses less digits than its factorization.

23311000121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983424532 (or 3983424530 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23311000121332 its reverse (23312100011332), we get a palindrome (46623100132664).

The spelling of 23311000121332 in words is "twenty-three trillion, three hundred eleven billion, one hundred twenty-one thousand, three hundred thirty-two".