1523338397 has 8 divisors (see below), whose sum is σ = 1843367616. Its totient is φ = 1228911552.

The previous prime is 1523338387. The next prime is 1523338409. The reversal of 1523338397 is 7938333251.

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 1523338397 - 2¹⁴ = 1523322013 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 (1523338337) 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, 6400463 + ... + 6400700.

It is an arithmetic number, because the mean of its divisors is an integer number (230420952).

Almost surely, 2^1523338397 is an apocalyptic number.

1523338397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1523338397 is a deficient number, since it is larger than the sum of its proper divisors (320029219).

1523338397 is a wasteful number, since it uses less digits than its factorization.

1523338397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801187.

The product of its digits is 408240, while the sum is 44.

The square root of 1523338397 is about 39029.9679349087. The cubic root of 1523338397 is about 1150.6205590896.

The spelling of 1523338397 in words is "one billion, five hundred twenty-three million, three hundred thirty-eight thousand, three hundred ninety-seven".