1502001023 has 2 divisors, whose sum is σ = 1502001024. Its totient is φ = 1502001022.

The previous prime is 1502001019. The next prime is 1502001037. The reversal of 1502001023 is 3201002051.

It is a happy number.

It is an a-pointer prime, because the next prime (1502001037) can be obtained adding 1502001023 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1502001023 - 2² = 1502001019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1502000989 and 1502001007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1502001013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751000511 + 751000512.

It is an arithmetic number, because the mean of its divisors is an integer number (751000512).

Almost surely, 2^1502001023 is an apocalyptic number.

1502001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1502001023 is an equidigital number, since it uses as much as digits as its factorization.

1502001023 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 14.

The square root of 1502001023 is about 38755.6579482274. The cubic root of 1502001023 is about 1145.2230384904.

Adding to 1502001023 its reverse (3201002051), we get a palindrome (4703003074).

The spelling of 1502001023 in words is "one billion, five hundred two million, one thousand, twenty-three".