137748323 has 2 divisors, whose sum is σ = 137748324. Its totient is φ = 137748322.

The previous prime is 137748293. The next prime is 137748341. The reversal of 137748323 is 323847731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137748323 - 2¹⁴ = 137731939 is a prime.

It is not a weakly prime, because it can be changed into another prime (137748343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68874161 + 68874162.

It is an arithmetic number, because the mean of its divisors is an integer number (68874162).

Almost surely, 2^137748323 is an apocalyptic number.

137748323 is a deficient number, since it is larger than the sum of its proper divisors (1).

137748323 is an equidigital number, since it uses as much as digits as its factorization.

137748323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 137748323 is about 11736.6231514861. The cubic root of 137748323 is about 516.4505846797.

The spelling of 137748323 in words is "one hundred thirty-seven million, seven hundred forty-eight thousand, three hundred twenty-three".