61120253423 has 2 divisors, whose sum is σ = 61120253424. Its totient is φ = 61120253422.

The previous prime is 61120253419. The next prime is 61120253477. The reversal of 61120253423 is 32435202116.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61120253423 - 2² = 61120253419 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61120253723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30560126711 + 30560126712.

It is an arithmetic number, because the mean of its divisors is an integer number (30560126712).

Almost surely, 2^61120253423 is an apocalyptic number.

61120253423 is a deficient number, since it is larger than the sum of its proper divisors (1).

61120253423 is an equidigital number, since it uses as much as digits as its factorization.

61120253423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 61120253423 its reverse (32435202116), we get a palindrome (93555455539).

The spelling of 61120253423 in words is "sixty-one billion, one hundred twenty million, two hundred fifty-three thousand, four hundred twenty-three".