1372745423 has 4 divisors (see below), whose sum is σ = 1568851920. Its totient is φ = 1176638928.

The previous prime is 1372745411. The next prime is 1372745443. The reversal of 1372745423 is 3245472731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372745423 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 (1372745443) 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, 98053238 + ... + 98053251.

It is an arithmetic number, because the mean of its divisors is an integer number (392212980).

Almost surely, 2^1372745423 is an apocalyptic number.

1372745423 is a deficient number, since it is larger than the sum of its proper divisors (196106497).

1372745423 is an equidigital number, since it uses as much as digits as its factorization.

1372745423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196106496.

The product of its digits is 141120, while the sum is 38.

The square root of 1372745423 is about 37050.5792532317. The cubic root of 1372745423 is about 1111.3819389324.

The spelling of 1372745423 in words is "one billion, three hundred seventy-two million, seven hundred forty-five thousand, four hundred twenty-three".