10423015001515 has 4 divisors (see below), whose sum is σ = 12507618001824. Its totient is φ = 8338412001208.

The previous prime is 10423015001489. The next prime is 10423015001543. The reversal of 10423015001515 is 51510051032401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10423015001515 - 2³³ = 10414425066923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042301500147 + ... + 1042301500156.

It is an arithmetic number, because the mean of its divisors is an integer number (3126904500456).

Almost surely, 2^{10423015001515} is an apocalyptic number.

10423015001515 is a deficient number, since it is larger than the sum of its proper divisors (2084603000309).

10423015001515 is an equidigital number, since it uses as much as digits as its factorization.

10423015001515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084603000308.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 10423015001515 its reverse (51510051032401), we get a palindrome (61933066033916).

The spelling of 10423015001515 in words is "ten trillion, four hundred twenty-three billion, fifteen million, one thousand, five hundred fifteen".