10123123020 has 48 divisors (see below), whose sum is σ = 28420798560. Its totient is φ = 2692256256.

The previous prime is 10123122983. The next prime is 10123123037. The reversal of 10123123020 is 2032132101.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 203785 + ... + 248544.

It is an arithmetic number, because the mean of its divisors is an integer number (592099970).

Almost surely, 2^10123123020 is an apocalyptic number.

10123123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123123020 is an abundant number, since it is smaller than the sum of its proper divisors (18297675540).

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

10123123020 is a wasteful number, since it uses less digits than its factorization.

10123123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452714 (or 452712 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10123123020 its reverse (2032132101), we get a palindrome (12155255121).

It can be divided in two parts, 101231 and 23020, that added together give a triangular number (124251 = T₄₉₈).

The spelling of 10123123020 in words is "ten billion, one hundred twenty-three million, one hundred twenty-three thousand, twenty".