10523343540 has 48 divisors (see below), whose sum is σ = 29484524160. Its totient is φ = 2804400000.

The previous prime is 10523343539. The next prime is 10523343541. The reversal of 10523343540 is 4534332501.

It is an interprime number because it is at equal distance from previous prime (10523343539) and next prime (10523343541).

It is a super-2 number, since 2×10523343540² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10523343498 and 10523343507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10523343541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37290 + ... + 149790.

It is an arithmetic number, because the mean of its divisors is an integer number (614260920).

Almost surely, 2^10523343540 is an apocalyptic number.

10523343540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10523343540 is an abundant number, since it is smaller than the sum of its proper divisors (18961180620).

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

10523343540 is a wasteful number, since it uses less digits than its factorization.

10523343540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114072 (or 114070 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 10523343540 in words is "ten billion, five hundred twenty-three million, three hundred forty-three thousand, five hundred forty".