1351510023 has 4 divisors (see below), whose sum is σ = 1802013368. Its totient is φ = 901006680.

The previous prime is 1351510003. The next prime is 1351510031. The reversal of 1351510023 is 3200151531.

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

It is not a de Polignac number, because 1351510023 - 2¹² = 1351505927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351510003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225251668 + ... + 225251673.

It is an arithmetic number, because the mean of its divisors is an integer number (450503342).

Almost surely, 2^1351510023 is an apocalyptic number.

1351510023 is a deficient number, since it is larger than the sum of its proper divisors (450503345).

1351510023 is an equidigital number, since it uses as much as digits as its factorization.

1351510023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450503344.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1351510023 is about 36762.8892090924. The cubic root of 1351510023 is about 1105.6213680703.

Adding to 1351510023 its reverse (3200151531), we get a palindrome (4551661554).

The spelling of 1351510023 in words is "one billion, three hundred fifty-one million, five hundred ten thousand, twenty-three".