1023434201234 has 4 divisors (see below), whose sum is σ = 1535151301854. Its totient is φ = 511717100616.

The previous prime is 1023434201219. The next prime is 1023434201281. The reversal of 1023434201234 is 4321024343201.

1023434201234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 721981593025 + 301452608209 = 849695^2 + 549047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023434201197 and 1023434201206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255858550307 + ... + 255858550310.

Almost surely, 2^{1023434201234} is an apocalyptic number.

1023434201234 is a deficient number, since it is larger than the sum of its proper divisors (511717100620).

1023434201234 is an equidigital number, since it uses as much as digits as its factorization.

1023434201234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511717100619.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1023434201234 its reverse (4321024343201), we get a palindrome (5344458544435).

The spelling of 1023434201234 in words is "one trillion, twenty-three billion, four hundred thirty-four million, two hundred one thousand, two hundred thirty-four".