523102401240 has 64 divisors (see below), whose sum is σ = 1569513339360. Its totient is φ = 139475650560.

The previous prime is 523102401233. The next prime is 523102401277. The reversal of 523102401240 is 42104201325.

It is a super-2 number, since 2×523102401240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 523102401240.

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, 643600 + ... + 1208480.

Almost surely, 2^523102401240 is an apocalyptic number.

It is an amenable number.

523102401240 is an abundant number, since it is smaller than the sum of its proper divisors (1046410938120).

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

523102401240 is a wasteful number, since it uses less digits than its factorization.

523102401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572612 (or 572608 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 523102401240 its reverse (42104201325), we get a palindrome (565206602565).

The spelling of 523102401240 in words is "five hundred twenty-three billion, one hundred two million, four hundred one thousand, two hundred forty".