1493242123 has 8 divisors (see below), whose sum is σ = 1560480768. Its totient is φ = 1427481384.

The previous prime is 1493242057. The next prime is 1493242159. The reversal of 1493242123 is 3212423941.

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 1493242123 - 2⁹ = 1493241611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493246123) 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, 367411 + ... + 371452.

It is an arithmetic number, because the mean of its divisors is an integer number (195060096).

Almost surely, 2^1493242123 is an apocalyptic number.

1493242123 is a deficient number, since it is larger than the sum of its proper divisors (67238645).

1493242123 is an equidigital number, since it uses as much as digits as its factorization.

1493242123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738953.

The product of its digits is 10368, while the sum is 31.

The square root of 1493242123 is about 38642.4911593443. The cubic root of 1493242123 is about 1142.9925793279.

The spelling of 1493242123 in words is "one billion, four hundred ninety-three million, two hundred forty-two thousand, one hundred twenty-three".