10523121140 has 24 divisors (see below), whose sum is σ = 25255491072. Its totient is φ = 3607927200.

The previous prime is 10523121113. The next prime is 10523121143. The reversal of 10523121140 is 4112132501.

It is a super-2 number, since 2×10523121140² (a number of 21 digits) contains 22 as substring.

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 (10523121143) 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, 37582436 + ... + 37582715.

It is an arithmetic number, because the mean of its divisors is an integer number (1052312128).

Almost surely, 2^10523121140 is an apocalyptic number.

10523121140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10523121140 is an abundant number, since it is smaller than the sum of its proper divisors (14732369932).

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

10523121140 is a wasteful number, since it uses less digits than its factorization.

10523121140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75165167 (or 75165165 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 10523121140 its reverse (4112132501), we get a palindrome (14635253641).

The spelling of 10523121140 in words is "ten billion, five hundred twenty-three million, one hundred twenty-one thousand, one hundred forty".