15210204023 has 6 divisors (see below), whose sum is σ = 17693502696. Its totient is φ = 13037317692.

The previous prime is 15210204001. The next prime is 15210204043. The reversal of 15210204023 is 32040201251.

It is a de Polignac number, because none of the positive numbers 2^k-15210204023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15210203986 and 15210204004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15210204043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155206115 + ... + 155206212.

It is an arithmetic number, because the mean of its divisors is an integer number (2948917116).

Almost surely, 2^15210204023 is an apocalyptic number.

15210204023 is a deficient number, since it is larger than the sum of its proper divisors (2483298673).

15210204023 is an equidigital number, since it uses as much as digits as its factorization.

15210204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310412341 (or 310412334 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 15210204023 its reverse (32040201251), we get a palindrome (47250405274).

The spelling of 15210204023 in words is "fifteen billion, two hundred ten million, two hundred four thousand, twenty-three".