1423540245 has 16 divisors (see below), whose sum is σ = 2278288512. Its totient is φ = 759013440.

The previous prime is 1423540193. The next prime is 1423540253. The reversal of 1423540245 is 5420453241.

It is not a de Polignac number, because 1423540245 - 2⁷ = 1423540117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55059 + ... + 76671.

It is an arithmetic number, because the mean of its divisors is an integer number (142393032).

Almost surely, 2^1423540245 is an apocalyptic number.

1423540245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423540245 is a deficient number, since it is larger than the sum of its proper divisors (854748267).

1423540245 is a wasteful number, since it uses less digits than its factorization.

1423540245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26012.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1423540245 is about 37729.8322948831. The cubic root of 1423540245 is about 1124.9241746425.

Adding to 1423540245 its reverse (5420453241), we get a palindrome (6843993486).

The spelling of 1423540245 in words is "one billion, four hundred twenty-three million, five hundred forty thousand, two hundred forty-five".