123223252354 has 4 divisors (see below), whose sum is σ = 184834878534. Its totient is φ = 61611626176.

The previous prime is 123223252351. The next prime is 123223252391. The reversal of 123223252354 is 453252322321.

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

It can be written as a sum of positive squares in only one way, i.e., 121867319025 + 1355933329 = 349095^2 + 36823^2 .

It is not an unprimeable number, because it can be changed into a prime (123223252351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30805813087 + ... + 30805813090.

Almost surely, 2^123223252354 is an apocalyptic number.

123223252354 is a deficient number, since it is larger than the sum of its proper divisors (61611626180).

123223252354 is an equidigital number, since it uses as much as digits as its factorization.

123223252354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61611626179.

The product of its digits is 86400, while the sum is 34.

Adding to 123223252354 its reverse (453252322321), we get a palindrome (576475574675).

The spelling of 123223252354 in words is "one hundred twenty-three billion, two hundred twenty-three million, two hundred fifty-two thousand, three hundred fifty-four".