1493472623 has 2 divisors, whose sum is σ = 1493472624. Its totient is φ = 1493472622.

The previous prime is 1493472581. The next prime is 1493472649. The reversal of 1493472623 is 3262743941.

It is a strong prime.

It is an emirp because it is prime and its reverse (3262743941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1493472623 - 2⁸ = 1493472367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493472223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746736311 + 746736312.

It is an arithmetic number, because the mean of its divisors is an integer number (746736312).

Almost surely, 2^1493472623 is an apocalyptic number.

1493472623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493472623 is an equidigital number, since it uses as much as digits as its factorization.

1493472623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 1493472623 is about 38645.4735124309. The cubic root of 1493472623 is about 1143.0513878829.

The spelling of 1493472623 in words is "one billion, four hundred ninety-three million, four hundred seventy-two thousand, six hundred twenty-three".