1423746730242 has 24 divisors (see below), whose sum is σ = 3095684892144. Its totient is φ = 472905272664.

The previous prime is 1423746730223. The next prime is 1423746730247. The reversal of 1423746730242 is 2420376473241.

1423746730242 is a `hidden beast` number, since 1 + 4 + 2 + 374 + 6 + 7 + 30 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (1423746730247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139742328 + ... + 139752515.

It is an arithmetic number, because the mean of its divisors is an integer number (128986870506).

Almost surely, 2^{1423746730242} is an apocalyptic number.

1423746730242 is an abundant number, since it is smaller than the sum of its proper divisors (1671938161902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423746730242 is a wasteful number, since it uses less digits than its factorization.

1423746730242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279495134 (or 279495131 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 45.

The spelling of 1423746730242 in words is "one trillion, four hundred twenty-three billion, seven hundred forty-six million, seven hundred thirty thousand, two hundred forty-two".