10023514420 has 24 divisors (see below), whose sum is σ = 21067074504. Its totient is φ = 4006035456.

The previous prime is 10023514411. The next prime is 10023514421. The reversal of 10023514420 is 2441532001.

It can be written as a sum of positive squares in 4 ways, for example, as 2942628516 + 7080885904 = 54246^2 + 84148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10023514391 and 10023514400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023514421) 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, 186189 + ... + 233908.

It is an arithmetic number, because the mean of its divisors is an integer number (877794771).

Almost surely, 2^10023514420 is an apocalyptic number.

10023514420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023514420 is an abundant number, since it is smaller than the sum of its proper divisors (11043560084).

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

10023514420 is a wasteful number, since it uses less digits than its factorization.

10023514420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421299 (or 421297 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 10023514420 in words is "ten billion, twenty-three million, five hundred fourteen thousand, four hundred twenty".