23100121040240 has 40 divisors (see below), whose sum is σ = 53710107617328. Its totient is φ = 9239648209920.

The previous prime is 23100121040239. The next prime is 23100121040369. The reversal of 23100121040240 is 4204012100132.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4391177 + ... + 8092136.

Almost surely, 2^{23100121040240} is an apocalyptic number.

23100121040240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100121040240 is an abundant number, since it is smaller than the sum of its proper divisors (30609986577088).

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

23100121040240 is a wasteful number, since it uses less digits than its factorization.

23100121040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12506457 (or 12506451 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23100121040240 its reverse (4204012100132), we get a palindrome (27304133140372).

The spelling of 23100121040240 in words is "twenty-three trillion, one hundred billion, one hundred twenty-one million, forty thousand, two hundred forty".