1520000023 has 2 divisors, whose sum is σ = 1520000024. Its totient is φ = 1520000022.

The previous prime is 1520000003. The next prime is 1520000047. The reversal of 1520000023 is 3200000251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1520000023 - 2¹³ = 1519991831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1519999958 and 1520000012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1520000003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760000011 + 760000012.

It is an arithmetic number, because the mean of its divisors is an integer number (760000012).

Almost surely, 2^1520000023 is an apocalyptic number.

1520000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520000023 is an equidigital number, since it uses as much as digits as its factorization.

1520000023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1520000023 is about 38987.1776742046. The cubic root of 1520000023 is about 1149.7794215883.

Adding to 1520000023 its reverse (3200000251), we get a palindrome (4720000274).

The spelling of 1520000023 in words is "one billion, five hundred twenty million, twenty-three", and thus it is an aban number.