1395423723 has 8 divisors (see below), whose sum is σ = 1866548736. Its totient is φ = 927290600.

The previous prime is 1395423671. The next prime is 1395423737. The reversal of 1395423723 is 3273245931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1395423723 - 2¹³ = 1395415531 is a prime.

It is a super-2 number, since 2×1395423723² = 3894414733422361458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1395423923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746883 + ... + 748748.

It is an arithmetic number, because the mean of its divisors is an integer number (233318592).

Almost surely, 2^1395423723 is an apocalyptic number.

1395423723 is a deficient number, since it is larger than the sum of its proper divisors (471125013).

1395423723 is a wasteful number, since it uses less digits than its factorization.

1395423723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495945.

The product of its digits is 136080, while the sum is 39.

The square root of 1395423723 is about 37355.3707383557. The cubic root of 1395423723 is about 1117.4686995322.

The spelling of 1395423723 in words is "one billion, three hundred ninety-five million, four hundred twenty-three thousand, seven hundred twenty-three".