1423542315 has 32 divisors (see below), whose sum is σ = 2457080640. Its totient is φ = 699618816.

The previous prime is 1423542313. The next prime is 1423542319. The reversal of 1423542315 is 5132453241.

It is not a de Polignac number, because 1423542315 - 2¹ = 1423542313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423542313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113581 + ... + 125489.

It is an arithmetic number, because the mean of its divisors is an integer number (76783770).

Almost surely, 2^1423542315 is an apocalyptic number.

1423542315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1423542315 is a deficient number, since it is larger than the sum of its proper divisors (1033538325).

1423542315 is a wasteful number, since it uses less digits than its factorization.

1423542315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543.

The product of its digits is 14400, while the sum is 30.

The square root of 1423542315 is about 37729.8597267469. The cubic root of 1423542315 is about 1124.9247199010.

Adding to 1423542315 its reverse (5132453241), we get a palindrome (6555995556).

The spelling of 1423542315 in words is "one billion, four hundred twenty-three million, five hundred forty-two thousand, three hundred fifteen".