1423310739 has 4 divisors (see below), whose sum is σ = 1897747656. Its totient is φ = 948873824.

The previous prime is 1423310687. The next prime is 1423310741. The reversal of 1423310739 is 9370133241.

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 1423310739 - 2⁷ = 1423310611 is a prime.

It is a super-2 number, since 2×1423310739² = 4051626919505452242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1423310789) 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, 237218454 + ... + 237218459.

It is an arithmetic number, because the mean of its divisors is an integer number (474436914).

Almost surely, 2^1423310739 is an apocalyptic number.

1423310739 is a deficient number, since it is larger than the sum of its proper divisors (474436917).

1423310739 is an equidigital number, since it uses as much as digits as its factorization.

1423310739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474436916.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1423310739 is about 37726.7907328466. The cubic root of 1423310739 is about 1124.8637172197.

The spelling of 1423310739 in words is "one billion, four hundred twenty-three million, three hundred ten thousand, seven hundred thirty-nine".